{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:XWTCGRJD5PXPRI4CAPAOJKUIAJ","short_pith_number":"pith:XWTCGRJD","canonical_record":{"source":{"id":"1410.6548","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2014-10-24T02:44:48Z","cross_cats_sorted":[],"title_canon_sha256":"1d786d11cd9bf676a50a9f4d7d5a335698cfe859510ac5586150a53394d20651","abstract_canon_sha256":"f67a73719c166ccf408e6b77e7b9db53d1169e5711a0e5d19ef1cf5405b2023d"},"schema_version":"1.0"},"canonical_sha256":"bda6234523ebeef8a38203c0e4aa880266682c6a4ecdd64a26e2a9513e4a30d5","source":{"kind":"arxiv","id":"1410.6548","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1410.6548","created_at":"2026-05-18T02:39:25Z"},{"alias_kind":"arxiv_version","alias_value":"1410.6548v1","created_at":"2026-05-18T02:39:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1410.6548","created_at":"2026-05-18T02:39:25Z"},{"alias_kind":"pith_short_12","alias_value":"XWTCGRJD5PXP","created_at":"2026-05-18T12:28:57Z"},{"alias_kind":"pith_short_16","alias_value":"XWTCGRJD5PXPRI4C","created_at":"2026-05-18T12:28:57Z"},{"alias_kind":"pith_short_8","alias_value":"XWTCGRJD","created_at":"2026-05-18T12:28:57Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:XWTCGRJD5PXPRI4CAPAOJKUIAJ","target":"record","payload":{"canonical_record":{"source":{"id":"1410.6548","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2014-10-24T02:44:48Z","cross_cats_sorted":[],"title_canon_sha256":"1d786d11cd9bf676a50a9f4d7d5a335698cfe859510ac5586150a53394d20651","abstract_canon_sha256":"f67a73719c166ccf408e6b77e7b9db53d1169e5711a0e5d19ef1cf5405b2023d"},"schema_version":"1.0"},"canonical_sha256":"bda6234523ebeef8a38203c0e4aa880266682c6a4ecdd64a26e2a9513e4a30d5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:39:25.028154Z","signature_b64":"ZDRmP1S7emWMjtlZ1CDMrIZz0mwrNwqX9IuGGYokJLIVCMyMNNfB1mIlH2AsWVSBjRhbjJ3vpIlDbh8HF/uyDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"bda6234523ebeef8a38203c0e4aa880266682c6a4ecdd64a26e2a9513e4a30d5","last_reissued_at":"2026-05-18T02:39:25.027764Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:39:25.027764Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1410.6548","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:39:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bLPwZHi4cQTWkSW5o+H0XoR/fpd/n/CqkCEJ61lhO03uM3e/XNF9Nh19iKP1qyyN0tNSrTeukE+9LrerdkXlAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-28T19:55:07.133618Z"},"content_sha256":"c47dc0a290906ed8ab284876380e7660777865c22f523ff0998627accd6c9ed3","schema_version":"1.0","event_id":"sha256:c47dc0a290906ed8ab284876380e7660777865c22f523ff0998627accd6c9ed3"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:XWTCGRJD5PXPRI4CAPAOJKUIAJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Ion Density Deviations in Polyelectrolyte Microcapsules: Influence on Biosensors","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.soft","authors_text":"Alan R. Denton, Qiyun Tang","submitted_at":"2014-10-24T02:44:48Z","abstract_excerpt":"Polyelectrolyte microcapsules loaded with fluorescent dyes have been proposed as biosensors to monitor local pH and ionic strength for diagnostic purposes. In the case of charged microcapsules, however, the local electric field can cause deviations of ion densities inside the cavities, potentially resulting in misdiagnosis of some diseases. Using nonlinear Poisson-Boltzmann theory, we systematically investigate these deviations induced by charged microcapsules. Our results show that the microcapsule charge density, as well as the capsule and salt concentrations, contribute to deviations of loc"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1410.6548","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:39:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mqr/TOSa1yypHwEugG4Tc1dxTheszTjgb9L2I6I8pBamwlyiEKppVxNBATFecg6NWMMe+DZ3/Bs5AbkARF0lCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-28T19:55:07.133956Z"},"content_sha256":"c8092179fc02e54de4a7853009a10f7356adb40ae0fac839340732bab5ee2d34","schema_version":"1.0","event_id":"sha256:c8092179fc02e54de4a7853009a10f7356adb40ae0fac839340732bab5ee2d34"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XWTCGRJD5PXPRI4CAPAOJKUIAJ/bundle.json","state_url":"https://pith.science/pith/XWTCGRJD5PXPRI4CAPAOJKUIAJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XWTCGRJD5PXPRI4CAPAOJKUIAJ/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-06-28T19:55:07Z","links":{"resolver":"https://pith.science/pith/XWTCGRJD5PXPRI4CAPAOJKUIAJ","bundle":"https://pith.science/pith/XWTCGRJD5PXPRI4CAPAOJKUIAJ/bundle.json","state":"https://pith.science/pith/XWTCGRJD5PXPRI4CAPAOJKUIAJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XWTCGRJD5PXPRI4CAPAOJKUIAJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:XWTCGRJD5PXPRI4CAPAOJKUIAJ","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"f67a73719c166ccf408e6b77e7b9db53d1169e5711a0e5d19ef1cf5405b2023d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2014-10-24T02:44:48Z","title_canon_sha256":"1d786d11cd9bf676a50a9f4d7d5a335698cfe859510ac5586150a53394d20651"},"schema_version":"1.0","source":{"id":"1410.6548","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1410.6548","created_at":"2026-05-18T02:39:25Z"},{"alias_kind":"arxiv_version","alias_value":"1410.6548v1","created_at":"2026-05-18T02:39:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1410.6548","created_at":"2026-05-18T02:39:25Z"},{"alias_kind":"pith_short_12","alias_value":"XWTCGRJD5PXP","created_at":"2026-05-18T12:28:57Z"},{"alias_kind":"pith_short_16","alias_value":"XWTCGRJD5PXPRI4C","created_at":"2026-05-18T12:28:57Z"},{"alias_kind":"pith_short_8","alias_value":"XWTCGRJD","created_at":"2026-05-18T12:28:57Z"}],"graph_snapshots":[{"event_id":"sha256:c8092179fc02e54de4a7853009a10f7356adb40ae0fac839340732bab5ee2d34","target":"graph","created_at":"2026-05-18T02:39:25Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"Polyelectrolyte microcapsules loaded with fluorescent dyes have been proposed as biosensors to monitor local pH and ionic strength for diagnostic purposes. In the case of charged microcapsules, however, the local electric field can cause deviations of ion densities inside the cavities, potentially resulting in misdiagnosis of some diseases. Using nonlinear Poisson-Boltzmann theory, we systematically investigate these deviations induced by charged microcapsules. Our results show that the microcapsule charge density, as well as the capsule and salt concentrations, contribute to deviations of loc","authors_text":"Alan R. Denton, Qiyun Tang","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2014-10-24T02:44:48Z","title":"Ion Density Deviations in Polyelectrolyte Microcapsules: Influence on Biosensors"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1410.6548","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:c47dc0a290906ed8ab284876380e7660777865c22f523ff0998627accd6c9ed3","target":"record","created_at":"2026-05-18T02:39:25Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"f67a73719c166ccf408e6b77e7b9db53d1169e5711a0e5d19ef1cf5405b2023d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2014-10-24T02:44:48Z","title_canon_sha256":"1d786d11cd9bf676a50a9f4d7d5a335698cfe859510ac5586150a53394d20651"},"schema_version":"1.0","source":{"id":"1410.6548","kind":"arxiv","version":1}},"canonical_sha256":"bda6234523ebeef8a38203c0e4aa880266682c6a4ecdd64a26e2a9513e4a30d5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"bda6234523ebeef8a38203c0e4aa880266682c6a4ecdd64a26e2a9513e4a30d5","first_computed_at":"2026-05-18T02:39:25.027764Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:39:25.027764Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ZDRmP1S7emWMjtlZ1CDMrIZz0mwrNwqX9IuGGYokJLIVCMyMNNfB1mIlH2AsWVSBjRhbjJ3vpIlDbh8HF/uyDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:39:25.028154Z","signed_message":"canonical_sha256_bytes"},"source_id":"1410.6548","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c47dc0a290906ed8ab284876380e7660777865c22f523ff0998627accd6c9ed3","sha256:c8092179fc02e54de4a7853009a10f7356adb40ae0fac839340732bab5ee2d34"],"state_sha256":"643128e1ce46cce2b29b8f9d468ec6a02e4203fdd2a61be88db7f2465c0bddf0"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NOEYOJLDfP8i1sVOqDl6EMgDI2zwy0JD9ESLiHwnB2/G3rASfFykWRdxt8H23toLO1MneKVXjncpwLFVcQctAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-28T19:55:07.135833Z","bundle_sha256":"479b15e610b5b79db59c4ffbb071725e6ea031d0c9f73d8b962a221a54bc0602"}}